:root {
  --ink: #0A1F44;
  --ink-2: #16366B;
  --ink-3: #4B6488;
  --rose: #0FA98E;
  --rose-2: #0A8872;
  --rose-soft: #E4F6F1;
  --gray-900: #1F2430;
  --gray-700: #465063;
  --gray-500: #7A8394;
  --gray-300: #D6DAE2;
  --gray-200: #E7EAF0;
  --gray-100: #F5F6F9;
  --bg: #FFFFFF;
  --radius: 0;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--gray-900);
  font: 16px/1.6 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--ink-2); text-decoration: none; }
a:hover { color: var(--rose); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* navigation */
nav {
  position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.88);
  backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid var(--gray-200);
}
nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); font-size: 18px; letter-spacing: -.01em; }
.brand svg { width: 34px; height: 34px; }
.links { display: flex; align-items: center; gap: 28px; font-size: 14.5px; font-weight: 500; }
.links a { color: var(--gray-700); }
.links a:hover { color: var(--ink); }
.links .gh { color: var(--ink); border: 1px solid var(--gray-300); padding: 6px 14px; border-radius: 999px; }
.links .gh:hover { border-color: var(--ink); }

/* hero */
.hero { padding: 88px 0 72px; background:
  radial-gradient(900px 420px at 88% -10%, var(--rose-soft), transparent 60%),
  radial-gradient(700px 380px at -10% 10%, #EAF0F8, transparent 60%); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr); justify-items: center; text-align: center; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--rose-2);
  background: var(--rose-soft); padding: 5px 12px; border-radius: 999px; letter-spacing: .02em; }
h1 { font-size: 58px; line-height: 1.08; letter-spacing: -.03em; color: var(--ink); margin: 20px 0 20px; font-weight: 700; }
h1 em { font-style: normal; color: var(--rose-2); }
.lede { font-size: 18.5px; color: var(--gray-700); max-width: 34em; margin: 0 0 30px; }
.install { display: flex; align-items: center; gap: 10px; background: var(--ink); color: #E8ECF5; border-radius: 12px;
  padding: 14px 14px 14px 18px; font: 13.5px/1.5 var(--mono); max-width: 560px; box-shadow: 0 10px 30px -12px rgba(10,31,68,.45); }
.install code { flex: 1; min-width: 0; white-space: normal; overflow-wrap: anywhere; }
.install .p { color: var(--rose); margin-right: 8px; user-select: none; }
.copy { flex: none; border: 1px solid rgba(255,255,255,.22); background: transparent; color: #E8ECF5; border-radius: 8px;
  padding: 6px 12px; font: 500 12.5px Inter, sans-serif; cursor: pointer; }
.copy:hover { background: rgba(255,255,255,.1); }
.cta { display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: 10px; font-weight: 600; font-size: 15px; }
.btn.primary { background: var(--rose-2); color: #fff; }
.btn.primary:hover { background: var(--ink); color: #fff; }
.btn.ghost { color: var(--ink); border: 1px solid var(--gray-300); background: #fff; }
.btn.ghost:hover { border-color: var(--ink); color: var(--ink); }
.meta { margin-top: 18px; font-size: 13.5px; color: var(--gray-500); }

/* demo card */
.card { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius);
  box-shadow: 0 24px 60px -30px rgba(10,31,68,.28); }
.demo { padding: 20px 22px 18px; }
.demo-tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.demo-tabs button { border: 1px solid var(--gray-200); background: #fff; color: var(--gray-700); border-radius: 999px;
  padding: 5px 14px; font: 600 13px Inter, sans-serif; cursor: pointer; }
.demo-tabs button.on { background: var(--ink); border-color: var(--ink); color: #fff; }
.demo-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.demo-head b { color: var(--ink); font-size: 15.5px; }
.demo-head span { font-size: 12.5px; color: var(--gray-500); }
.demo-key { display: flex; gap: 16px; font-size: 12.5px; color: var(--gray-700); margin: -4px 0 12px; }
.demo-key i { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; }
.k-given { background: var(--ink); }
.k-out { background: var(--rose); }
.demo-cols, .row { display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 12px; }
.demo-cols { font-size: 11.5px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--gray-500);
  padding: 0 10px 6px; border-bottom: 1px solid var(--gray-200); }
.demo-rows { display: grid; gap: 1px; padding-top: 6px; }
.row { padding: 6px 10px; border-radius: 8px; font-size: 14px; align-items: baseline; transition: background .2s; }
.row .id { font: 500 12.5px var(--mono); color: var(--gray-500); overflow-wrap: anywhere; }
.row .nm { color: var(--ink); }
.row.todo .nm { color: var(--rose-2); font-weight: 600; }
.row.active { background: var(--rose-soft); }
.pill { display: inline-block; font-size: 12px; font-weight: 500; color: var(--gray-500); border: 1px dashed var(--gray-300);
  border-radius: 999px; padding: 0 10px; }
.caret::after { content: ""; display: inline-block; width: 2px; height: 1em; background: var(--rose); margin-left: 2px;
  vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.ok { font-size: 12px; font-weight: 500; color: var(--gray-500); margin-left: 8px; white-space: nowrap; }
.truth { display: block; font-size: 12px; font-weight: 400; color: var(--gray-500); margin-top: 2px; }
.demo-foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; border-top: 1px solid var(--gray-200);
  margin-top: 10px; padding-top: 12px; font-size: 13px; color: var(--gray-700); min-height: 44px; }
.replay { border: 1px solid var(--gray-300); background: #fff; border-radius: 8px; padding: 5px 12px; font: 500 12.5px Inter, sans-serif;
  cursor: pointer; color: var(--ink); flex: none; }
.replay:hover { border-color: var(--ink); }

.exgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; align-items: start; }
.switch { display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; color: var(--gray-500);
  cursor: pointer; user-select: none; margin: 0 0 8px; width: max-content; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch .lab.on { color: var(--ink); }
.track { position: relative; width: 46px; height: 28px; border-radius: 999px; background: var(--gray-300);
  transition: background .25s; flex: none; }
.knob { position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%; background: #fff;
  box-shadow: 0 2px 5px rgba(10,31,68,.25); transition: transform .25s cubic-bezier(.3,.7,.4,1); }
.switch input:checked + .track { background: var(--rose); }
.switch input:checked + .track .knob { transform: translateX(18px); }
.switch input:focus-visible + .track { outline: 2px solid var(--ink-3); outline-offset: 2px; }
.ex-note { font-size: 13.5px; color: var(--gray-700); margin: 0 0 12px; min-height: 2.9em; }
.row.sec { grid-template-columns: 1fr; font-size: 11.5px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--gray-500); padding-top: 12px; }
.row.more { grid-template-columns: 1fr; font-size: 12.5px; color: var(--gray-500); }
.row .sub { display: block; font: 400 11.5px Inter, sans-serif; color: var(--gray-500); margin-top: 1px; }
.demo .cmd { margin: 14px 0 0; font-size: 12px; }

.demo.wide .demo-body { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 28px; align-items: start; }
.gbox { background: var(--gray-100); border: 1px solid var(--gray-200); border-radius: 12px; padding: 10px 8px; }
.gsvg { width: 100%; height: auto; display: block; opacity: 0; transition: opacity .35s; }
.gsvg.in { opacity: 1; }
.gnode rect, .gnode circle { fill: #fff; stroke: var(--ink); stroke-width: 1.6; transition: stroke-width .15s; }
.gnode text { fill: var(--ink); font-family: var(--mono); font-weight: 500; text-anchor: middle; }
.gnode.un rect { fill: var(--rose); stroke: var(--rose); }
.gnode.un text { fill: #fff; }
.gnode.lat circle { fill: var(--rose-soft); stroke: var(--rose); stroke-dasharray: 4 3; }
.gnode.lat text { fill: var(--rose-2); font-family: Inter, sans-serif; font-weight: 700; }
.gnode { transform-box: fill-box; transform-origin: center; transition: transform .2s; }
.gnode.hot { transform: scale(1.18); }
.gnode.hot rect, .gnode.hot circle { stroke: var(--rose-2); stroke-width: 3; }
.k-lat { border: 1.5px dashed var(--rose); background: var(--rose-soft) !important; }
.exgrid { grid-template-columns: minmax(0, 1fr) !important; }
.demo.wide .gbox { position: sticky; top: 84px; }
.demo.stack .demo-body { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; }

.lay-side .demo-body { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 28px; align-items: stretch; }
.lay-side .gbox { display: flex; align-items: center; }
.lay-stack .demo-body, .lay-top .demo-body { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; }
.tcols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.ttitle { font-size: 11.5px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--gray-500);
  padding: 0 10px 6px; border-bottom: 1px solid var(--gray-200); margin-bottom: 4px; }
.tcols .row { grid-template-columns: 58px minmax(0, 1fr); }
.row.latrow .nm { font-weight: 700; }
.lay-top .row { padding: 5px 10px; }
.lay-top .demo-body { gap: 10px; }
.demo .demo-foot { margin-top: 12px; }

.tgrid { display: grid; gap: 4px 22px; margin-bottom: 14px; }
.tgrid .row { grid-template-columns: 36px minmax(0, 1fr); }
.tbox > .ttitle { margin-top: 4px; }
.gnode circle { transition: stroke-width .15s; }
.gnode.un:not(.lat) circle { fill: var(--rose); stroke: var(--rose); }

/* scenes */
.scene { overflow-anchor: none; }
.scene .sbody { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.sc-side .sbody { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 28px; align-items: start; }
.stagewrap { overflow-x: auto; }
.stage { position: relative; background: var(--gray-100); border: 1px solid var(--gray-200); border-radius: 12px; padding: 14px 12px; box-sizing: content-box; }
.sc-tree .stage { padding: 16px 18px; }
.edges { position: absolute; left: 0; top: 0; pointer-events: none; overflow: visible; }
.edge { fill: none; stroke: var(--ink-3); stroke-width: 1.5; opacity: .25; transition: opacity .35s; }
.edge.lit { opacity: 1; }
.edge.focus { stroke: var(--rose); opacity: 1; }
.ahead { fill: var(--ink-3); }
.gn { display: inline-block; font: 500 12.5px var(--mono); padding: 4px 9px; border: 1.5px solid var(--ink); border-radius: 999px; background: #fff;
  color: var(--ink); white-space: nowrap; opacity: .45; transition: opacity .35s, box-shadow .2s, transform .2s; z-index: 1; will-change: transform; transform: scale(1); }
.sc-layers .gn { position: absolute; }
.gn.unk { background: var(--rose-2); border-color: var(--rose-2); color: #fff; }
.gn.lat { background: var(--rose-soft); border: 1.5px dashed var(--rose); color: var(--rose-2); font: 700 13px Inter, sans-serif; padding: 6px 14px; }
.gn.lit { opacity: 1; }
.gn.hot { box-shadow: 0 0 0 5px rgba(15,169,142,.25); transform: scale(1.12); z-index: 5; }
.gn.mb { box-shadow: 0 0 0 4px rgba(10,31,68,.13); z-index: 3; }
.tcolumns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; position: relative; }
.sc-top .tcolumns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tcolumn { justify-self: center; }
.tcolumn > .gn { margin-bottom: 12px; }
.scene .row.sec { display: block; padding: 10px 10px 4px; font-size: 11.5px !important; }
.titems { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; padding-left: 36px; }
.scene .row { opacity: .5; transition: opacity .35s; min-height: 34px; align-items: center; }
.scene .row.lit, .scene .row.sec { opacity: 1; }
.rgrid { display: grid; gap: 0 22px; }
.rcol .row { grid-template-columns: 40px minmax(0, 1fr); }
.sc-wideid .rcol .row { grid-template-columns: 128px minmax(0, 1fr); }
.sc-top .row { padding: 5px 10px; font-size: 13.5px; }
.sc-top .rcol .row { grid-template-columns: 34px minmax(0, 1fr); }
.replay { background: var(--rose-soft) !important; color: var(--rose-2) !important; border: 1px solid var(--rose) !important; font-weight: 600 !important; }
.replay:hover { background: var(--rose) !important; color: #fff !important; }
.slide { display: none; }
.slide.on { display: block; }
.dots { display: flex; gap: 8px; justify-content: center; margin-top: 14px; }
.dot { width: 8px; height: 8px; border-radius: 999px; background: var(--gray-300); border: 0; padding: 0; cursor: pointer; transition: width .25s, background .25s; }
.dot.on { width: 24px; background: var(--rose); }

.hero .wrap > div { max-width: 1072px; }
.hero h1 { font-size: 50px; margin-top: 0; }
.hero h1 .l { display: block; }
.hero .lede { margin-left: auto; margin-right: auto; max-width: 40em; }
.hero .install { margin: 0 auto; text-align: left; }
.hero .cta { justify-content: center; }
.hero { padding: 104px 0 96px; }

/* sections */
section { padding: 88px 0; }
section.alt { background: var(--gray-100); }
.kicker { font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--rose-2); }
h2 { font-size: 36px; line-height: 1.15; letter-spacing: -.02em; color: var(--ink); margin: 10px 0 14px; }
.sub { color: var(--gray-700); font-size: 17px; max-width: 42em; margin: 0 0 44px; }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; counter-reset: s; }
.step { padding: 26px; position: relative; }
.step::before { counter-increment: s; content: counter(s); display: grid; place-items: center; width: 34px; height: 34px;
  border-radius: 10px; background: var(--ink); color: #fff; font-weight: 700; font-size: 15px; margin-bottom: 16px; }
.step:nth-child(3)::before { background: var(--rose); }
.step h3 { margin: 0 0 8px; color: var(--ink); font-size: 19px; }
.step p { margin: 0; color: var(--gray-700); font-size: 15px; }

.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.feat { padding: 24px; }
.feat .ic { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: #EAF0F8; margin-bottom: 14px; }
.feat:nth-child(even) .ic { background: var(--rose-soft); }
.feat .ic svg { width: 20px; height: 20px; }
.feat h3 { margin: 0 0 6px; font-size: 17px; color: var(--ink); }
.feat p { margin: 0; color: var(--gray-700); font-size: 14.5px; }

/* examples */
.tabs { display: inline-flex; background: #fff; border: 1px solid var(--gray-200); border-radius: 12px; padding: 4px; margin-bottom: 20px; }
.tabs button { border: 0; background: transparent; padding: 9px 18px; border-radius: 9px; font: 600 14.5px Inter, sans-serif;
  color: var(--gray-700); cursor: pointer; }
.tabs button.on { background: var(--ink); color: #fff; }
.panel { display: none; padding: 26px; }
.panel.on { display: block; }
.panel p { margin: 0 0 16px; color: var(--gray-700); font-size: 15px; }
.cmd { font: 13px/1.6 var(--mono); background: var(--gray-100); border: 1px solid var(--gray-200); border-radius: 10px;
  padding: 12px 14px; white-space: pre-wrap; overflow-wrap: anywhere; color: var(--ink); margin-bottom: 18px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.tbl th { text-align: left; font-size: 12.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--gray-500);
  font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--gray-200); }
.tbl td { padding: 10px; border-bottom: 1px solid var(--gray-200); vertical-align: top; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl td:first-child { font: 500 13px var(--mono); color: var(--ink); white-space: nowrap; }
.tbl td:last-child { color: var(--rose-2); font-weight: 500; }
.note { font-size: 13px; color: var(--gray-500); margin-top: 14px; }
.scroll { overflow-x: auto; }

/* get started */
.start { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.start .card { padding: 24px; }
.start h3 { margin: 0 0 6px; color: var(--ink); font-size: 17px; display: flex; gap: 10px; align-items: center; }
.start h3 span { font: 600 12px var(--mono); color: var(--rose); background: var(--rose-soft); padding: 2px 8px; border-radius: 6px; }
.start p { margin: 0 0 12px; color: var(--gray-700); font-size: 14.5px; }
.start .cmd { margin: 0; }

/* docs */
.docs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.doc { padding: 20px; display: block; color: inherit; transition: border-color .15s, transform .15s; }
.doc:hover { border-color: var(--ink-3); transform: translateY(-2px); color: inherit; }
.doc b { display: block; color: var(--ink); margin-bottom: 4px; }
.doc span { font-size: 14px; color: var(--gray-700); }

.license { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.license .card { padding: 26px; }
.license h3 { margin: 0 0 8px; color: var(--ink); }
.license p { margin: 0 0 10px; color: var(--gray-700); font-size: 15px; }

footer { border-top: 1px solid var(--gray-200); padding: 30px 0 40px; font-size: 14px; color: var(--gray-500); }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer a { color: var(--gray-700); margin-left: 20px; }

@media (max-width: 960px) {
  .hero .wrap { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .steps, .grid, .docs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .exgrid { grid-template-columns: minmax(0, 1fr); }
  .lay-side .demo-body { grid-template-columns: minmax(0, 1fr); gap: 16px; }
}
@media (max-width: 680px) {
  .wrap { padding: 0 16px; }
  .links a:not(.gh) { display: none; }
  .hero { padding: 64px 0 56px; }
  h1, .hero h1 { font-size: 34px; }
  .hero h1 .l { display: block; }
  .hero h1 .l + .l { margin-top: 8px; }
  .lede { font-size: 16.5px; }
  h2 { font-size: 28px; }
  section { padding: 60px 0; }
  .steps, .grid, .start, .docs, .license, .exgrid { grid-template-columns: minmax(0, 1fr); }
  .install { font-size: 12.5px; }
  .demo.wide .demo-body { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .tbl th { font-size: 11px; letter-spacing: .02em; }
  .gbox { overflow-x: auto; }
  .lay-side .gsvg { min-width: 420px; }
  .lay-top .gsvg { min-width: 520px; }
  .lay-stack .gsvg { min-width: 720px; }
  .tcols { grid-template-columns: minmax(0, 1fr); }
  .sc-side .sbody { grid-template-columns: minmax(0, 1fr); }
  .sc-layers .stage { width: 520px; flex: none; }
  .sc-tree .stage { min-width: 560px; }
  .rgrid { grid-template-columns: minmax(0, 1fr) !important; }
  .tgrid { grid-template-columns: minmax(0, 1fr) !important; }
}
/* square style */
*, *::before, *::after { border-radius: 0 !important; }
.hero { padding: 96px 0 36px !important; }
#how { padding-top: 44px; }
/* hero, large type */
.hero .wrap { justify-items: center !important; text-align: center !important; }
.hero .wrap > div { max-width: none !important; }
.hero h1.big { font-size: clamp(52px, 8.4vw, 112px) !important; line-height: 1.02; letter-spacing: -.045em; font-weight: 700; margin: 0 0 28px; }
.hero h1.big .l { display: block; }
.grad { color: var(--rose); }
.hero .lede { margin: 0 auto 32px !important; max-width: 34em !important; font-size: 20px; }
.hero .install { margin: 0 auto !important; }
.hero .cta { justify-content: center !important; }
.hero { padding: 88px 0 40px !important; }
/* results */
#results { padding-top: 24px; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 2px solid var(--ink); }
.stat { padding: 22px 22px 6px 0; border-right: 1px solid var(--gray-200); margin-right: 22px; }
.stat:last-child { border-right: 0; margin-right: 0; }
.stat b { display: block; font-size: 34px; line-height: 1.1; letter-spacing: -.03em; color: var(--rose-2); margin-bottom: 10px; }
.stat span { color: var(--gray-700); font-size: 14.5px; }
@media (max-width: 960px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } .stat:nth-child(2) { border-right: 0; } }
@media (max-width: 680px) { .stats { grid-template-columns: minmax(0, 1fr); } .stat { border-right: 0; margin-right: 0; border-bottom: 1px solid var(--gray-200); } }

/* multi-page */
.links a.on { color: var(--ink); box-shadow: inset 0 -2px 0 var(--rose); }
.pagehead { padding: 64px 0 8px; }
.pagehead h1 { font-size: 44px; line-height: 1.1; letter-spacing: -.03em; color: var(--ink); margin: 10px 0 14px; }
.pagehead .sub { margin-bottom: 8px; }
.pagebody { padding-top: 28px; }
.band { background: var(--ink); color: #fff; padding: 56px 0; }
.band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.band h2 { color: #fff; margin: 0; font-size: 30px; }
.band p { margin: 6px 0 0; color: #C9D3E3; }
.band .btn.primary { background: var(--rose); }
.band .btn.primary:hover { background: #fff; color: var(--ink); }
.findings { border-top: 2px solid var(--ink); }
.finding { display: grid; grid-template-columns: 350px minmax(0, 1fr); gap: 28px; padding: 26px 0; border-bottom: 1px solid var(--gray-200); align-items: baseline; }
.finding b { font-size: 38px; line-height: 1.05; letter-spacing: -.03em; color: var(--rose-2); white-space: nowrap; }

.finding p { margin: 0; font-size: 18px; color: var(--gray-900); max-width: 44em; }
@media (max-width: 680px) {
  nav .wrap { flex-wrap: wrap; height: auto; padding-top: 10px; padding-bottom: 10px; gap: 8px; }
  .links { width: 100%; justify-content: space-between; gap: 10px; font-size: 13.5px; }
  .links a:not(.gh) { display: inline !important; }
  .links .gh { padding: 4px 10px; }
  .pagehead h1 { font-size: 32px; }
  .finding { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .finding b { font-size: 30px; white-space: normal; }
}

.pagehead .exgrid, .pagehead .start { margin-top: 28px; }
.step:nth-child(1)::before { background: #9FDCCD; color: var(--ink); }
.step:nth-child(2)::before { background: var(--ink); color: #fff; }
.step:nth-child(3)::before { background: var(--rose); color: #fff; }

/* get started: one step per slide */
.tour { margin-top: 40px; outline: none; }
.tour-rail { display: flex; scrollbar-width: none; }
.tour-rail::-webkit-scrollbar { display: none; }
.tour-rail button { flex: 1 1 auto; white-space: nowrap; text-align: left; background: none; border: 0; border-top: 3px solid var(--gray-200); padding: 16px 20px 6px 0;
  font: 600 17px/1.3 Inter, system-ui, sans-serif; color: var(--gray-500); cursor: pointer; transition: color .25s, border-color .25s; }
.tour-rail button span { display: block; font: 600 14px var(--mono); margin-bottom: 5px; }
.tour-rail button:hover { color: var(--ink); }
.tour-rail button.done { border-top-color: var(--ink-3); color: var(--gray-700); }
.tour-rail button.on { border-top-color: var(--rose); color: var(--ink); }
.tour-rail button.on span { color: var(--rose-2); }
.tour-view { overflow: hidden; margin-top: 30px; transition: height .35s ease; }
.tour-track { display: flex; gap: 120px; align-items: flex-start; transition: transform .6s cubic-bezier(.22, .61, .36, 1); will-change: transform; }
.tslide { flex: 0 0 100%; min-width: 0; display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 2fr); gap: 44px; align-items: center; padding: 2px 2px 70px; }
.tslide-no { font: 600 56px/1 var(--mono); color: var(--rose); letter-spacing: -.03em; }
.tslide-no small { font: 500 15px var(--mono); color: var(--gray-500); margin-left: 8px; letter-spacing: 0; }
.tslide-text h3 { font-size: 27px; line-height: 1.15; letter-spacing: -.02em; color: var(--ink); margin: 16px 0 12px; }
.tslide-text p { font-size: 16px; color: var(--gray-700); margin: 0 0 22px; }
.tslide-text p.small { font-size: 13.5px; color: var(--gray-500); margin: 16px 0 8px; }
.tslide-text code { font-family: var(--mono); font-size: .92em; color: var(--ink); }
.tcmd { display: flex; align-items: center; gap: 10px; background: var(--ink); padding: 11px 11px 11px 16px; }
.tcmd code { flex: 1; min-width: 0; font: 13px/1.55 var(--mono) !important; color: #E8ECF5 !important; overflow-wrap: anywhere; }
.tslide-text > * { opacity: 0; transform: translateY(10px); transition: opacity .5s ease, transform .5s ease; }
.tslide.on .tslide-text > * { opacity: 1; transform: none; }
.tslide.on .tslide-text > :nth-child(2) { transition-delay: .06s; }
.tslide.on .tslide-text > :nth-child(3) { transition-delay: .12s; }
.tslide.on .tslide-text > :nth-child(n+4) { transition-delay: .18s; }
.tslide-visual .term { height: 440px; }
.term, .win { display: flex; flex-direction: column; }
.term .bar, .win .bar { display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px; flex: none; }
.term .bar i, .win .bar i { width: 9px; height: 9px; }
.term { background: #0B1730; box-shadow: 0 30px 70px -35px rgba(10,31,68,.65); }
.term .bar { background: #13244A; }
.term .bar i { background: rgba(255,255,255,.2); }
.term .bar span { margin-left: 10px; font: 500 12px var(--mono); color: #8FA0BD; }
.term pre { margin: 0; flex: 1; overflow: auto; padding: 18px 22px; font: 12.5px/1.7 var(--mono); color: #C9D3E3; white-space: pre-wrap; overflow-wrap: anywhere; }
.term .pr { color: var(--rose); }
.term .tok { color: #9FDCCD; font-weight: 500; }
.term .dim { color: #6F83A6; }
.win { background: #fff; border: 1px solid var(--gray-200); box-shadow: 0 30px 70px -35px rgba(10,31,68,.45); }
.win .bar { background: var(--gray-100); border-bottom: 1px solid var(--gray-200); }
.win .bar i { background: var(--gray-300); }
.win .bar span { margin-left: 12px; flex: 1; max-width: 300px; background: #fff; border: 1px solid var(--gray-200); padding: 3px 10px;
  font: 12px var(--mono); color: var(--gray-500); }
.win img { width: 100%; height: auto; display: block; }
.tour-nav { display: flex; align-items: center; justify-content: flex-end; gap: 14px; margin-top: -30px; position: relative; }
.tour-btn { width: 48px; height: 48px; border: 1px solid var(--ink); background: #fff; color: var(--ink); font-size: 19px; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s; }
.tour-btn:hover:not(:disabled) { background: var(--ink); color: #fff; }
.tour-btn.next { background: var(--ink); color: #fff; }
.tour-btn.next:hover:not(:disabled) { background: var(--rose-2); border-color: var(--rose-2); }
.tour-btn:disabled { opacity: .3; cursor: default; }
.tour-count { font: 600 13px var(--mono); color: var(--gray-500); min-width: 72px; text-align: center; }
#start .note { margin-top: 26px; font-size: 14.5px; }
@media (prefers-reduced-motion: reduce) { .tour-track, .tour-view, .tslide-text > * { transition: none !important; } }
@media (max-width: 900px) {
  .tour-rail { display: flex; overflow-x: auto; gap: 22px; }
  .tour-rail button { flex: 0 0 auto; white-space: nowrap; padding-right: 4px; }
  .tslide { grid-template-columns: minmax(0, 1fr); gap: 24px; padding-bottom: 56px; }
  .tslide-no { font-size: 46px; }
  .tslide-text h3 { font-size: 24px; }
  .tslide-visual .term { height: 320px; }
}

/* university logos under the hero: official files, official colors, no change of proportions */
.unis { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 28px 64px; margin-top: 44px; }
.unis img { height: 40px; width: auto; display: block; }
@media (max-width: 680px) { .unis { gap: 22px 40px; margin-top: 34px; } .unis img { height: 34px; } }

/* citation */
.bib { position: relative; background: var(--ink); padding: 14px 16px; margin-top: 4px; }
.bib pre { margin: 0; padding-right: 70px; font: 12.5px/1.6 var(--mono); color: #E8ECF5; white-space: pre-wrap; overflow-wrap: anywhere; }
.bib .copy { position: absolute; top: 10px; right: 10px; }
.license.stack { grid-template-columns: minmax(0, 1fr); }